Finding the Third Proportional to 1,020,602 and 2,197,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,602 : 2,197,210 = 2,197,210 : x
2. Step 2: Convert to fraction form
   1,020,602/2,197,210 = 2,197,210/x
3. Step 3: Cross multiply
   1,020,602x = 2,197,210 × 2,197,210
4. Step 4: Simplify right side
   1,020,602x = 4,827,731,784,100
5. Step 5: Solve for x
   x = 4,827,731,784,100/1,020,602
6. Step 6: Final answer
   x = 4,730,278.58